two poles.. bi-polar..like clockwork, the wheel of time, moving up and downdown in the dumps or soaring elated..(turning upside down, the pages of the past back on the groundballoons of relief releasedall goes back to 'normal'..)

true, but she tells a story of a trip that goes from day to night so black and white works for that reason. It's really neat how the image changes from one thing to another when you turn the book upside down for the trip home!